公开(公告)号：US11706973B2

公开(公告)日：2023-07-18

申请号：US17117412

申请日：2020-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mieun Jun ,  Jongwoo Kim ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L51/50 ,  H01L51/00 ,  C07C211/54 ,  C07F7/08 ,  C07D209/82 ,  C07F5/02 ,  C07D313/06

CPC classification number: H01L51/006 ,  C07C211/54 ,  C07D209/82 ,  C07D313/06 ,  C07F5/027 ,  C07F7/0812 ,  H01L51/008 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0057 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/50 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1:




In Formula 1, rings A1, A2, and A3 may each be independently a C5-C60 carbocyclic group or a C2-C30 heterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X1, L1 to L9, a1 to a9, Ar1 to Ar6, b1 to b6, R1 to R3, and c1 to c3 are as defined in the present specification.

公开(公告)号：US11703965B2

公开(公告)日：2023-07-18

申请号：US17239792

申请日：2021-04-26

Applicant: Samsung Display Co., LTD.

Inventor： Changyeong Song ,  Jongwoo Kim ,  Yongchan Ju ,  Jaeheung Ha ,  Wonjong Kim ,  Heeyeon Park ,  Hyein Yang ,  Woosuk Jung

IPC: G09G3/30 ,  G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K59/38 ,  H10K59/40 ,  H10K59/122

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/0446 ,  H10K50/844 ,  H10K59/122 ,  H10K59/38 ,  H10K59/40 ,  G06F2203/04111

Abstract: A display device includes a light-emitting element, an encapsulation layer covering the light-emitting element and including an organic thin film, an organic dielectric layer on the encapsulation layer and an input-sensing part on the organic dielectric layer. The organic dielectric layer includes an organic material and has a thickness smaller than a thickness of the organic layer of the encapsulation layer.

公开(公告)号：US11450811B2

公开(公告)日：2022-09-20

申请号：US16357527

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunjae Jeong ,  Dongjun Kim ,  Youngkook Kim ,  Jongwoo Kim ,  Sanghyun Han

IPC: H01L51/00 ,  C07D487/04 ,  H01L51/50

Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by the following Formula 1:

公开(公告)号：US20220231256A1

公开(公告)日：2022-07-21

申请号：US17404336

申请日：2021-08-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeheung Ha ,  Jongwoo Kim ,  Changyeong Song ,  Yongchan Ju ,  Heeyeon Park ,  Hyein Yang ,  Woosuk Jung

IPC: H01L51/52 ,  H01L51/56

Abstract: A display apparatus includes: a substrate including a display area and a peripheral area around the display area, a first organic layer arranged in the peripheral area, and a second organic layer arranged in the display area and the peripheral area. A tilt angle of a side surface of the second organic layer is equal to or greater than about 10 degrees and less than or equal to about 90 degrees.

公开(公告)号：US11362297B2

公开(公告)日：2022-06-14

申请号：US16662903

申请日：2019-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yongchan Ju ,  Yisu Kim ,  Jongwoo Kim ,  Eung Seok Park ,  Wonmin Yun ,  Jaeheung Ha

IPC: H01L33/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: Provided is a display device. The display device includes a light emitting element layer including a plurality of light emitting elements, and a light control layer on the light emitting element layer and overlapping the light emitting element layer on a plane. At least one of the light emitting elements and the light control layer includes an amorphous carbon light emitter.

公开(公告)号：US11180513B2

公开(公告)日：2021-11-23

申请号：US16509333

申请日：2019-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeseul Lee ,  Hyeongmin Kim ,  Heechoon Ahn ,  Hyunah Um ,  Yirang Im ,  Soobyung Ko ,  Jongwoo Kim

IPC: H01L51/50 ,  C07F7/08 ,  H01L51/00

Abstract: Provided is a compound represented by Formula 1 and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and the compound represented by Formula 1.

公开(公告)号：US11114622B2

公开(公告)日：2021-09-07

申请号：US15152540

申请日：2016-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： Youngkook Kim ,  Sooyon Kim ,  Jongwoo Kim ,  Seokhwan Hwang ,  Jeonga Oh

IPC: H01L51/00 ,  C07B59/00 ,  C07D223/18 ,  C07D401/04 ,  C07D401/12 ,  C07D403/12 ,  C07D405/04 ,  C07D405/12 ,  C07D409/04 ,  C07D409/12 ,  C07D471/04 ,  C07F7/08 ,  H01L27/32 ,  H01L51/50

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a compound of Formula 1: According to one or more embodiments of the present disclosure, due to the inclusion of the compound of Formula 1, characteristics of an organic light-emitting device may be improved.

公开(公告)号：US10916708B2

公开(公告)日：2021-02-09

申请号：US15868293

申请日：2018-01-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mieun Jun ,  Jongwoo Kim ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L51/50 ,  H01L51/00 ,  C07C211/54 ,  C07F7/08 ,  C07D209/82 ,  C07F5/02 ,  C07D313/06

Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1: In Formula 1, rings A1, A2, and A3 may each be independently a C5-C60 carbocyclic group or a C2-C30 heterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X1, L1 to L9, a1 to a9, Ar1 to Ar6, b1 to b6, R1 to R3, and c1 to c3 are as defined in the present specification.

公开(公告)号：US10580994B2

公开(公告)日：2020-03-03

申请号：US15061693

申请日：2016-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jongwoo Kim ,  Kwanghyun Kim ,  Mina Kim ,  Youngkook Kim ,  Hyejin Jung ,  Seokhwan Hwang ,  Minkyung Kim

IPC: H01L51/00 ,  C07D403/10 ,  C07D401/14 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by Formula 1, and an organic light-emitting device including the compound represented by Formula 1: When the compound represented by Formula 1 is included in the electron transport layer of an organic light-emitting device, the device may have high efficiency, a lower driving voltage, high luminance, excellent I-V-L characteristics, and/or a long lifespan.

公开(公告)号：US20190288235A1

公开(公告)日：2019-09-19

申请号：US16421187

申请日：2019-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minho Oh ,  Jongwoo Kim ,  Jiyoung Moon ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Jaeheung Ha

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L51/56 ,  G02F1/1362

Abstract: A display device includes a display substrate including at least one step portion, and a thin film encapsulation layer above the display substrate, the thin film encapsulation layer including a buffer layer configured to reduce a height difference due to the at least one step portion and a barrier layer above the buffer layer, the buffer layer including a plurality of sub-layers and interfaces between the plurality of sub-layers, and the interfaces including a curved surface changing from a concave shape to a convex shape toward a portion overlapping the step portion from an outer portion of the step portion.